Abstract: A device and a method for defogging and/or defrosting a glazing unit of a motor vehicle with a partially or totally electric propulsion system is disclosed. The device comprises means (1) for cooling a coolant fluid, using at least one electric current source, and a thermal battery (2), the device being configured to allow, in certain phases, the cooling of the coolant fluid by the cooling means (1) and the storage of cold from the coolant fluid in the battery (2), and, in other phases, the release of cold from the battery (2) into the coolant fluid.

Abstract: A hybrid device (80) comprises, in a first zone (91), at least one thermoelectric element (3) allowing an electric current to be generated from a temperature gradient applied between two of its active faces (4a, 4p). The device (80) further comprises a first circuit (1) able to allow the circulation of a first fluid, and a second circuit (2) able to allow the circulation of a second fluid of a temperature lower than that of the first fluid so as to create the gradient. The device (80) also comprises a second zone (92) so as to allow an exchange of heat between the second fluid and the first fluid. The device (80) is designed so that the first fluid passes through it by travelling in a single direction, referred to as first direction (L), wherein the first zone (91) and the second zone (92) are situated in series in the first direction (L).

Abstract: The invention relates to a device for the injection of recirculated exhaust gases from a vehicle engine, in particular a diesel engine, the injection device comprising a plurality of injection ports (26.1, 26.2, 26.3, 26.4), provided in a portion of the material of the injection device, each injection port (26.1, 26.2, 26.3, 26.4) having a cross section and a height extending through the thickness of the material. According to the invention, the cross sections and/or the heights of at least two of the injection ports (26.1, 26.2, 26.3, 26.4) are different.

Abstract: The invention relates to a thermoelectric device comprising a plurality of thermoelectric modules each comprising at least one thermoelectric element of annular form, able to generate an electric current under the action of a temperature gradient exerted between two of its faces, the one, termed the first face, being defined by a surface of exterior periphery and the other, termed the second face, being defined by a surface of interior periphery, said device being configured so as to establish a thermal exchange between said first face and a first fluid and to establish a thermal exchange between said second face and a second fluid so that said first fluid and said second fluid circulate in a transverse manner with respect to one another, at least two of said modules forming a row of modules in which said modules are spaced apart according to a first direction parallel to a direction of circulation of the first fluid in the device and at least two of said modules forming a row of modules in which said modules

Abstract: The invention relates to a thermoelectric module (1), comprising at least one thermoelectric element (3) allowing the generation of an electric current from a temperature gradient applied between two of its active faces (4a, 4p), a first so-called hot circuit (2) able to allow the flow of a first fluid in a heat exchange relationship with one of said active faces and a sheath (8) surrounding said thermoelectric elements (3) and said hot circuit (2) such that the sheath (8) is arranged to establish thermal contact between a so-called cold liquid with a temperature lower than that of the first fluid, and the other of said active faces and to hermetically separate said cold liquid on the one hand and said thermoelectric element(s) (3) and said hot circuit (2) on the other hand. The invention also relates to a thermoelectric device comprising at least one module as described and a heat exchanger comprising such a device.

Abstract: The present invention relates to a charge air cooler (7) intended to be placed upstream from the combustion cylinders (5), said charge air coming from at least one turbocharger (3) and intended to be supplied to the combustion cylinders (5) of an internal combustion engine, said charge air cooler (7) comprising one inlet container (70) for charge air, one outlet container for charge air and heat-exchange surfaces (72) between the charge air and a second heat-transfer fluid, at least the inlet container (70) and/or the outlet container for charge air comprising a phase change material (15).

Abstract: The present invention relates to a heat dissipator (7) for dissipating thermal energy contained in a first heat-transfer fluid and intended to be placed in a thermal management circuit (1) of a motor vehicle, said heat dissipator (7) comprising at least one inlet container (70) for the first heat-transfer fluid, at least one outlet container for the first heat-transfer fluid and heat-exchange surfaces (72) between the first heat-transfer fluid and a second heat-transfer fluid, at least one inlet container (70) and/or at least one outlet container for the first heat-transfer fluid comprising a phase change material (15).

Abstract: The present invention relates to an element for cooling the air in a motor vehicle, comprising a composite phase-change material (40) made of at least one first material which is a phase-change material (42) and one second material (44) of which the structure forms a support matrix for said phase-change material (42), said composite phase-change material (40) being covered with a heat-conducting protective layer (46).

Abstract: The invention relates to a thermoelectric device, comprising a first circuit (1), called hot circuit, through which a first fluid can flow according to a path along which the temperature of said first fluid decreases, and, a second circuit (2), called cold circuit, through which a second fluid can flow, at a temperature lower than that of the first fluid, according to a path along which the temperature of said second fluid increases, and elements (3p, 3n), called thermoelectric elements, that can be used to generate an electric current in the presence of a temperature gradient, said thermoelectric elements (3p, 3n) being distributed along said hot (1) and cold (2) circuits, provided configured to create said gradient. According to the invention, the device is configured for the contribution of the thermoelectric elements to the generation of the electricity to be substantially constant along the path of the first and/or of the second fluid.

Abstract: A heat exchange plate for battery thermal management is disclosed. The heat exchange plate includes a base having a circuit of ducts for the circulation of heat-transfer fluid or refrigerant between an inlet and an outlet for heat-transfer fluid, and, fixed to the base, a contact plate intended to come into contact with the battery to be thermally regulated and covering said ducts, the base being made of molded plastic material and the contact plate being produced in a thermo-conductive material. A manufacturing method for such a heat exchange plate is also disclosed.

Abstract: A hybrid device (80) comprises, in a first zone (91), at least one thermoelectric element (3) allowing an electric current to be generated from a temperature gradient applied between two of its active faces (4a, 4p). The device (80) further comprises a first circuit (1) able to allow the circulation of a first fluid, and a second circuit (2) able to allow the circulation of a second fluid of a temperature lower than that of the first fluid so as to create the gradient. The device (80) also comprises a second zone (92) so as to allow an exchange of heat between the second fluid and the first fluid. The device (80) is designed so that the first fluid passes through it by travelling in a single direction, referred to as first direction (L), wherein the first zone (91) and the second zone (92) are situated in series in the first direction (L).

Abstract: An intake gas distribution box (18) for an engine is intended to equip a gas supply module of the engine. The box (18) comprises a recirculated exhaust gas injection device (24) for the engine. The box (18) is configured to be mounted on a cylinder head of the engine. The recirculated exhaust gas injection device (24) comprises a plurality of injection orifices (26.1, 26.2, 26.3, 26.4), formed in a portion of material of the recirculated exhaust gas injection device (24). The injection device (24) is configured so that the injection orifices (26.1, 26.2, 26.3, 26.4) are situated in a substantially medium area between the cylinder head of the engine and a heat exchanger (16) of the gas supply module. The engine can be a diesel engine.

Abstract: The invention relates to a device for the injection of recirculated exhaust gases from a vehicle engine, in particular a diesel engine, the injection device comprising a plurality of injection ports (26.1, 26.2, 26.3, 26.4), provided in a portion of the material of the injection device, each injection port (26.1, 26.2, 26.3, 26.4) having a cross section and a height extending through the thickness of the material. According to the invention, the cross sections and/or the heights of at least two of the injection ports (26.1, 26.2, 26.3, 26.4) are different.

Abstract: A heat exchanger for the air supply circuit of a motor vehicle engine includes a heat exchange core and at least one header tank. The heat exchanger also includes an air flow rate control valve arranged in the header tank of the exchanger, and the control valve is a valve that includes a body with three openings and a moving rotary member inside the body so as to control the circulation of air through the heat exchange core and/or through a duct bypassing the heat exchange core according to a law defined as a function of the angular position of the rotary member in the body.

Abstract: A device and a method for defogging and/or defrosting a glazing unit of a motor vehicle with a partially or totally electric propulsion system is disclosed. The device comprises means (1) for cooling a coolant fluid, using at least one electric current source, and a thermal battery (2), the device being configured to allow, in certain phases, the cooling of the coolant fluid by the cooling means (1) and the storage of cold from the coolant fluid in the battery (2), and, in other phases, the release of cold from the battery (2) into the coolant fluid.

Abstract: The brazable component for the circulation of a fluid in a heat exchanger, in particular for a motor vehicle, according to the invention, comprises an aluminum alloy core 4. It further comprises a pure aluminum protective layer 8 placed against the core 4.

Abstract: The invention relates to a thermoelectric device, comprising a first circuit (1), called hot circuit, through which a first fluid can flow according to a path along which the temperature of said first fluid decreases, and, a second circuit (2), called cold circuit, through which a second fluid can flow, at a temperature lower than that of the first fluid, according to a path along which the temperature of said second fluid increases, and elements (3p, 3n), called thermoelectric elements, that can be used to generate an electric current in the presence of a temperature gradient, said thermoelectric elements (3p, 3n) being distributed along said hot (1) and cold (2) circuits, provided configured to create said gradient. According to the invention, the device is configured for the contribution of the thermoelectric elements to the generation of the electricity to be substantially constant along the path of the first and/or of the second fluid.

Abstract: A heat exchanger (10?) for the air supply circuit of a motor vehicle engine, comprises a heat exchange core (100) and at least one header tank (210?). The heat exchanger (10?) comprises an air flow rate control valve (300) arranged in the header tank (210?) of the exchanger, and the control valve (300) is a valve comprising a body (310) with three openings (311; 313) and a moving rotary member (320) inside the body (310) so as to control the circulation of air through the heat exchange core (100) and/or through a duct (13?) bypassing the heat exchange core (100) according to a law defined as a function of the angular position of the rotary member (320) in the body (310). The heat exchanger (10?) is particularly applicable to motor vehicles with a supercharged engine.